<!--登录页面-->
<template>
    <div style="height: 100vh; display: flex; align-items: center; justify-content: center;background-color: #0AAEB3">
        <div style="display: flex; background-color: white; width: 65%; border-radius: 5px; overflow: hidden">
            <div style="flex: 1">
                <img src="../assets/login.png" alt="" style="width: 100%;">
            </div>
            <div style="flex: 1; display: flex; align-items: center; justify-content: center">
                <el-form :model="user" style="width: 60%" :rules="rules" ref="loginRef">
                    <div style="font-size: 24px; font-weight: bold; text-align: center; margin-bottom: 40px">欢迎登录学科竞赛管理系统</div>
                    <div >
                        <el-form-item prop="username">
                            <el-input prefix-icon="el-icon-user" size="medium" placeholder="请输入账号" v-model="user.userid"></el-input>
                        </el-form-item>
                        <el-form-item prop="password">
                            <el-input prefix-icon="el-icon-lock" size="medium" show-password placeholder="请输入密码" v-model="user.password"></el-input>
                        </el-form-item>
                        <el-form-item prop="code">
                            <div style="display: flex">
                                <el-input prefix-icon="el-icon-circle-check" size="medium" placeholder="请输入验证码" style="flex: 1" v-model="user.code"></el-input>
                                <div style="flex: 1; height: 36px">
                                    <valid-code @update:value="getCode" />
                                </div>
                            </div>
                            <div style="margin-left: 30px; color: darkgray; font-size: 13px">不区分大小写</div>
                        </el-form-item>

                    </div>

                    <el-form-item>
                        <el-button type="primary" style="width: 100%; border-radius: 5px;font-size: 16px" @click="login">登 录</el-button>
                    </el-form-item>
                    <div style="display: flex">
                        <div style="flex: 1">还没有账号？请<span style="color: #0795f5; cursor: pointer" @click="$router.push('/register')">注册</span></div>
                        <div style="flex: 1; text-align: right"><span style="color: #0795f5; cursor: pointer" @click="handleForgetPass">忘记密码</span></div>
                    </div>
                </el-form>
            </div>
        </div>
        <el-dialog title="忘记密码" :visible.sync="forgetPassDialogVis" width="30%">
            <el-form :model="forgetUserForm" label-width="80px" style="padding-right: 20px">
                <el-form-item label="账号">
                    <el-input prefix-icon="el-icon-user" v-model="forgetUserForm.userid"
                              autocomplete="off" placeholder="请输入账号"></el-input>
                </el-form-item>
                <el-form-item label="手机号">
                    <el-input prefix-icon="el-icon-mobile-phone" v-model="forgetUserForm.phone"
                              autocomplete="off" placeholder="请输入手机号"></el-input>
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button @click="forgetPassDialogVis = false">取 消</el-button>
                <el-button type="primary" @click="resetPassword">确 定</el-button>
            </div>
        </el-dialog>
    </div>
</template>

<script>
    import ValidCode from "@/conponents/ValidCode";

    export default {
        name: "Login",
        components:{
            ValidCode
        },

        data() {
            //验证码校验
            const validateCode = (rule, value, callback) => {
                if (value === '') {
                    callback(new Error('请输入验证码'));
                } else if (value.toLowerCase() !== this.code) {
                    callback(new Error('验证码错误'));
                }else {
                    callback();
                }
            }


            return {
                forgetUserForm: {},   //忘记密码的表单数据
                forgetPassDialogVis: false,
                code: '', //验证码组件传递的code
                user: {
                    code: '', //表单中用户输入的code验证码
                    userid: '',
                    password: ''
                },
                rules:{//规则判断验证
                    userid:[
                        {required: true, message:'请输入账号', trigger:'blur'},
                    ],
                    password:[
                        {required: true, message:'请输入密码', trigger:'blur'},
                    ],
                    code:[
                        { validator: validateCode, trigger:'blur'}
                    ]
                }
            }
        },

        created() {
        },

        methods:{
            handleForgetPass(){  //初始化表单的数据
                this.forgetUserForm = {}
                this.forgetPassDialogVis = true
            },
            resetPassword(){
                this.$request.put('/password', this.forgetUserForm).then(res => {
                    if (res.code === '200'){
                        this.$message.success('重置成功！重置密码为123，请及时修改')
                        this.forgetPassDialogVis = false
                    }else{
                        this.$message.error(res.msg)
                    }
                })
            },
            getCode(code){
                this.code = code.toLowerCase()//小写 让验证码不区分大小写
            },
            login(){
                this.$refs['loginRef'].validate((valid) => {
                    if (valid){
                        //验证通过
                        this.$request.post('/login',this.user).then(res => {
                            if (res.code === '200'){
                                this.$router.push('/')
                                this.$message.success('登陆成功')
                                localStorage.setItem("honey-user",JSON.stringify(res.data)) //存储用户数据
                            }else {
                                this.$message.error(res.msg)
                            }
                        })
                    }
                })

            }
        }
    }
</script>

<style scoped>

</style>